W. Schickler

US National Large-scale City orthoimage standard initiative

Changqing Song, Guoqing Zhou, Susan Benjamin, 2003, IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477).

True orthoimage generation in urban areas with very tall buildings

Guoqing Zhou, Pinggang Song, W. Schickler, 2004 .

Technical Problems of Deploying Standard Initiative of National City True Orthophoto Mapping

Zhihao Qin, Guoqing Zhou, W. Schickler, 2003, DG.O.